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Creedite: Ca3Al2(SO4)(F,OH)10·2(H2O) Fluorite: CaF2
Comments: Well-developed, prismatic, reddish creedite crystals on green fluorite. Location: Mina Navidad, Rodeo, Durango, Mexico. Scale: 9 x 5 x 5.3 cm. © Fabre Minerals
Cuprite: Cu2O Chrysocolla: (Cu,Al)2H2Si2O5(OH)4·n(H2O)
Comments: Semi-metallic, dark reddish gray, cuprite crystals on blue chrysocolla. Location: Mashamba West mine, Shaba, Congo. Scale: 7.5 x 4.7 x 2.3 cm. © Fabre Minerals
Datolite: CaBSiO4(OH)
Comments: Cluster of doubly-terminated datolite crystals to 3.3 cm across with a scattering of brown inclusions. Location: Boron Pit, Dal'Negorsk, Russia. Scale: 5x3.9x3.7 cm. © Fabre Minerals
Descloizite: PbZn(VO4)(OH)
Comments: Dark reddish brown, crystalline aggregate of descloizite. Location: Grootfontein. Namibia. Scale: 3 cm. © Fabre Minerals
Devilline: CaCu4(SO4)2(OH)6·3(H2O)
Comments: Laminar crystals of blue devilline on matrix.. Location: Spania Dolina (ex-Herrengrund) Banská Bystrica Slovak Republic. Scale: Specimen size: 6.9 x 3.3 x 5.7 cm. © Fabre Minerals
Dissakisite-(Ce): Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) Dolomite: CaMg(CO3)2
Comments: Small, prisimatic, acicular crystals of tan-colored dissakisite-(Ce) scatterd on white crystalline dolomite. Location: Trimouns mine, Luzenac, Ariège France. Scale: Picture size 5 cm. © Fabre Minerals
Djurleite: Cu31S16
Comments: Dark, metallic djurleite with transparent quartz and white calcite. Location: Dzhezkazgan. Kazakhstan. Scale: 4.5 x 4.5 cm. © Fabre Minerals
Doyleite: Al(OH)3 Gibbsite: Al(OH)3
Comments: Botryoidal spheres of doyleite growing along with its dimorph gibbsite. Analysis shows that doyleite dominates the mix. There are also minor canary yellow phlogopite crystals. Location: Baoshan, Yunnan, China. Scale: 8 x 6.5 x 1.9 cm. © Fabre Minerals
Dravite: NaMg3Al6(BO3)3Si6O18(OH)4
Comments: Doubly terminated dravite crystal on white mica shist matrix. Location: Yinnietharra Station, Gascoyne, Western Australia. Scale: 4 x 4 x 2.9 cm. © Fabre Minerals
Duftite-beta: PbCu(AsO4)(OH)
Comments: Intensely green Duftite-beta on fluorescent calcite. Location: Tsumeb mine, Tsumeb, Namibia. Scale: . © Fabre Minerals